Overview
The ADP162AUJZ-2.8-R7 is a linear voltage regulator from Analog Devices Inc., part of the ADP16x family. This device is designed to provide a stable output voltage with high accuracy and low quiescent current, making it suitable for a variety of applications where power efficiency and reliability are crucial.
The ADP162 is available in a TSOT-5 package and is known for its compact size and low profile, which is beneficial for space-constrained designs. It features an internal PMOS pass transistor, a reference voltage source, an error amplifier, and a feedback voltage divider, ensuring precise voltage regulation.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Output Voltage | 2.8 V | Fixed |
| Output Current | 150 mA | |
| Input Voltage Range | 2.2 V to 5.5 V | |
| Quiescent Current | < 2 µA (no load) | R1 and R2 = 1 MΩ |
| Thermal Shutdown Threshold | 150 °C | |
| Thermal Shutdown Hysteresis | 15 °C | |
| Start-Up Time | 1100 µs | VOUT = 3.3 V |
| Current Limit Threshold | 220 mA to 320 mA | |
| EN Input Logic High | 1.2 V | 2.2 V ≤ VIN ≤ 5.5 V |
| EN Input Logic Low | 0.4 V | 2.2 V ≤ VIN ≤ 5.5 V |
Key Features
- High Accuracy: The ADP162 provides a stable output voltage with minimal error, ensuring reliable operation in various applications.
- Low Quiescent Current: The device is optimized for low power consumption, with quiescent current as low as 2 µA when using high resistance values for R1 and R2.
- Thermal Protection: Features thermal shutdown with a threshold of 150 °C and hysteresis of 15 °C to protect against overheating.
- Compact Package: Available in a TSOT-5 package, making it suitable for space-constrained designs.
- Fast Start-Up Time: Quick start-up time of 1100 µs ensures rapid initialization of the output voltage.
- Current Limiting: Includes current limiting to prevent excessive current draw and protect the device.
Applications
- Portable Electronics: Ideal for battery-powered devices due to its low quiescent current and high efficiency.
- Industrial Control Systems: Suitable for use in industrial control systems where stable and reliable voltage regulation is essential.
- Medical Devices: Can be used in medical devices that require precise voltage regulation and low power consumption.
- Automotive Systems: Applicable in automotive systems where thermal protection and reliability are critical.
Q & A
- What is the output voltage of the ADP162AUJZ-2.8-R7?
The output voltage is fixed at 2.8 V.
- What is the maximum output current of the ADP162AUJZ-2.8-R7?
The maximum output current is 150 mA.
- What is the input voltage range for the ADP162AUJZ-2.8-R7?
The input voltage range is from 2.2 V to 5.5 V.
- How can I minimize quiescent current in the ADP162AUJZ-2.8-R7?
Using high values of resistance for R1 and R2 can minimize quiescent current. For example, using 1 MΩ for R2 keeps the total no-load quiescent current below 2 µA.
- What is the thermal shutdown threshold of the ADP162AUJZ-2.8-R7?
The thermal shutdown threshold is 150 °C with a hysteresis of 15 °C.
- What is the start-up time of the ADP162AUJZ-2.8-R7?
The start-up time is approximately 1100 µs for VOUT = 3.3 V.
- Does the ADP162AUJZ-2.8-R7 have current limiting?
Yes, it includes current limiting with a threshold between 220 mA and 320 mA.
- What package type is the ADP162AUJZ-2.8-R7 available in?
The device is available in a TSOT-5 package.
- What are the logic levels for the EN input of the ADP162AUJZ-2.8-R7?
The EN input logic high is 1.2 V, and the logic low is 0.4 V, for input voltages between 2.2 V and 5.5 V.
- What are some typical applications for the ADP162AUJZ-2.8-R7?
Typical applications include portable electronics, industrial control systems, medical devices, and automotive systems.
